(const *html5-block-element-names*
    '(head
      title
      style
      script
      noscript
      body
      section
      nav
      article
      aside
      h1
      h2
      h3
      h4
      h5
      h6
      header
      footer
      address
      main
      p
      pre
      blockquote
      ol
      ul
      li
      dl
      dt
      dd
      figure
      figcaption
      a
      em
      strong
      small
      s
      cite
      q
      dfn
      abbr
      data
      time
      code
      var
      samp
      kbd
      sup
      i
      b
      u
      mark
      ruby
      rt
      rp
      bdi
      bdo
      span
      ins
      del
      embed
      map
      area
      svg
      math
      table
      caption
      colgroup
      col
      tbody
      thead
      tfoot
      tr
      form
      fieldset
      legend
      label
      select
      datalist
      optgroup
      option
      output
      progress
      meter
      details
      summary
      command
      menu))
